1143540054531 has 40 divisors (see below), whose sum is σ = 1984291843424. Its totient is φ = 642739121280.

The previous prime is 1143540054509. The next prime is 1143540054533. The reversal of 1143540054531 is 1354500453411.

1143540054531 is a `hidden beast` number, since 1 + 1 + 4 + 35 + 40 + 0 + 54 + 531 = 666.

It is not a de Polignac number, because 1143540054531 - 2⁵ = 1143540054499 is a prime.

It is a super-2 number, since 2×1143540054531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143540054533) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16496770 + ... + 16565943.

Almost surely, 2^{1143540054531} is an apocalyptic number.

1143540054531 is a deficient number, since it is larger than the sum of its proper divisors (840751788893).

1143540054531 is an equidigital number, since it uses as much as digits as its factorization.

1143540054531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33062793 (or 33062784 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 1143540054531 in words is "one trillion, one hundred forty-three billion, five hundred forty million, fifty-four thousand, five hundred thirty-one".